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AM452 датащи(PDF) 6 Page - WOLFSPEED, INC.

номер детали AM452
подробное описание детали  Voltage-to-current transducer IC with a differential input
PDF  21 Pages
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производитель  WOLFSPEED [WOLFSPEED, INC.]
домашняя страница  https://www.wolfspeed.com/
Logo WOLFSPEED - WOLFSPEED, INC.

AM452 датащи(HTML) 6 Page - WOLFSPEED, INC.

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AM452 – Voltage-to-current transducer IC
with a differential input
Analog Microelectronics GmbH
An der Fahrt 13, D – 55124 Mainz
February 2008 - Rev 1.2 - Page 6/21
Phone: +49 (0)6131/91 073-0
Fax:
+49 (0)6131/91 073-30
Internet: http://www.analogmicro.de
Email: info@analogmicro.de
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
V/I Converter
Internal Gain
GVI
0.122
0.125
0.128
Trim Range
Adjustable by R0
0.60
1.00
1.40
Voltage Range at R0 FS
VR0FS
320
540
760
mV
Offset Voltage
VOS
βF ≥ 100
±2
±4
mV
VOS vs. Temperature
dVOS/dT
βF ≥ 100
±7
±14
µV/°C
Input Resistance
RIN
120
160
k
Ω
RIN vs. Temperature
dRIN/dT
0.2
0.3
k
Ω/°C
Output Offset Current
IOUTOS
3-wire operation
–25
–35
µA
IOUTOS vs. Temperature
dIOUTOS/dT
3-wire operation
16
26
nA/°C
Output Offset Current
IOUTOS
2-wire operation
9.5
14
µA
IOUTOS vs. Temperature
dIOUTOS/dT
2-wire operation
6
8
nA/°C
Output Control Current
IOUTC
2-wire operation, VR0/100mV
6
8
µA
IOUTC vs. Temperature
dIOUTC/dT
2-wire operation
–10
–15
nA/°C
Output Voltage Range
VOUT
VOUT = RL IOUT, VCC < 18V
0
VCC – 6
V
VOUT
VOUT = RL IOUT, VCC ≥ 18V
0
12
V
Output Current Range FS
IOUTFS
IOUT = VR0/R0, 3-wire operation
20
mA
Output Resistance
ROUT
0.5
1.0
M
Ω
Load Capacitance
CL
0
500
nF
SET Stage
Internal Gain
GSET
0.5
Input Voltage
VSET
0
1.15
V
Offset Voltage
VOS
-4.0
-1.0
+2.0
mV
VOS vs. Temperature
dVOS/dT
±1.6
±5
µV/°C
Input Bias Current
IB
8
20
nA
IB vs. Temperature
dIB/dT
7
18
pA/°C
Protective Functions
Voltage Limitation at R0
VLIMR0
VR0 = VIN GI, SET = GND
VREF/8
mV
VLIMR0
VIN = 0, VR0 = VSET/2
580
635
690
mV
Protection against reverse polarity
Ground vs. VS vs. VOUT
35
V
Ground vs. VS vs. IOUT
35
V
Current in event of reverse polarity
Ground = 35V, VS = IOUT = 0
4.5
mA
System Parameters
Nonlinearity
Ideal input
0.05
0.15
%FS
3-dB-frequency
f3db
RL = 600Ω, C2 = 1nF
5
kHz
Statistical output impedance
Rstat.
RL =600Ω, C2 = 1nF,
4·103
MΩ
Dynamical output impedance
Rdyn.
For f= 2,2kHz, RL =600Ω,
C2 = 1nF,
3·103
Ω
Table 1: Specifications



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